Olympus E-M5 III vs Olympus E-P3

Its time to take a more detailed look at the Olympus E-M5 III versus Olympus E-P3, one being a Advanced Mirrorless and the latter is a Entry-Level Mirrorless and both are manufactured by Olympus. There is a sizeable difference between the sensor resolutions of the E-M5 III (20MP) and E-P3 (12MP) but both cameras posses the same sensor measurements (Four Thirds).

Photography Glossary

The E-M5 III was released 8 years later than the E-P3 and that is quite a large gap as far as tech is concerned. Both cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Olympus E-P3 being a Rangefinder-style mirrorless camera.

Before we go straight to a in depth comparison, here is a concise synopsis of how the E-M5 III grades against the E-P3 with regard to portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Olympus OM-D E-M5 III and Olympus PEN E-P3. The complete galleries are provided at Olympus E-M5 III Gallery and Olympus E-P3 Gallery.

For anybody who is planning to carry your camera regularly, you're going to have to factor in its weight and proportions. The Olympus E-M5 III features outside measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") having a weight of 414 grams (0.91 lbs) while the Olympus E-P3 has measurements of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") with a weight of 369 grams (0.81 lbs).

Contrast the Olympus E-M5 III versus Olympus E-P3 in the latest Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change based on the lens you are utilising at that moment. Following is a front view size comparison of the E-M5 III versus the E-P3.

Looking at size and weight, the portability grade of the E-M5 III and E-P3 is 80 and 86 respectively.

In many cases, it is very difficult to visualise the difference between sensor sizing just by reading through technical specs. The visual below might offer you a much better sense of the sensor sizing in the E-M5 III and E-P3.

As you have seen, the two cameras have the same sensor dimensions albeit not the same megapixels. You should count on the Olympus E-M5 III to resolve greater detail as a result of its extra 8MP. Higher resolution can also make it easier to crop shots a bit more aggressively. The more recent E-M5 III will have an advantage when it comes to sensor tech.